package com.hmall.common.interceptor;

import cn.hutool.core.util.StrUtil;
import com.hmall.common.utils.UserContext;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * TODO
 *
 * @Author haoye
 * @Date 2025/11/12 14:54
 */
public class UserInfoInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        // 1、获取请求头的userId
        String userId = request.getHeader("user-info");

        // 2、非空存到ThreadLocal中
        if (StrUtil.isNotBlank(userId)) {
            UserContext.setUser(Long.valueOf(userId));
        }

        return true;
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        UserContext.removeUser();
    }
}
